The show got off to a slow start, but by February 1978 was averaging 60-75,000 viewers a night.
In season five, the show averaged a 2.9 rating and about 12 million viewers.
The debate added about 700,000 more viewers than the show had averaged in November.
During the 2010-2011 season, the show averaged an audience of five million.
By the end of 2007, the show was averaging over 5 million listeners.
The show averaged 2.6 million viewers on a daily basis during its final weeks.
By September 2008, the show averaged nearly two million viewers per night.
In its first two weeks, the show averaged nearly 2.5 million viewers.
The show averaged 2.6 million viewers during its sixth season.
The plays and shows averaged around 40 each year while they were in production.